<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>上传</title>
</head>
<body>
  <form action="/upload" method="post" enctype="multipart/form-data">
      <input type="file" name="file1">
      <input type="submit" value="提交">
  </form>
</body>
</html>